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  Persicaria chinensis (L.) H. Gross
  Family Name : Polygonaceae

  Common Names : Chinese Knotweed, Sembuluh

  Chinese Name : 火炭母

 
Chinese Knotweed,Sembuluh
  • Record Info
    • Featured in '1001 Garden Plants in Singapore' Book (2ed) :
      True
  • Life Stage & Characteristics
    • Plant Division :
      Angiosperms (Flowering Seed Plants) (Dicotyledon)
      Plant Growth Form :
      Shrub (Herbaceous; Creeper; Trailing)
      Lifespan (in Singapore) :
      Perennial
      Mode of Nutrition :
      Autotrophic
      Plant Shape :
      Shrubby
      Maximum Height :
      0.7 m to 1 m
  • Biogeography
    • Native Distribution :
      Indian sub-continent, China, Japan, Indochina, Philippines, Malaysia, Indonesia
      Native Habitat :
      Terrestrial (Mountain; Monsoon Forest; Temperate Forest; Grassland / Savannah/ Scrubland)
      Preferred Climate Zone :
      Tropical, Sub-Tropical / Monsoonal, Temperate
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: Herbaceous shrub, up to 1m height.
      Foliage: Leaves green with violet-red mid-vein, sometimes with greenish or purplish inverted V-shape spot on upper surface, margins reddish, base sheathed around stems.
      Stems: Red, often very long, erect or drooping, much branched, ridged, woody at base; underground storage stems (rhizomes) stout.
      Flowers: Insignificant, white to pinkish, freely-produced in 1-3 flowered terminal or axillary panicled heads with hairy stalks, ariculate at nodes.
      Fruits: 3-angled globose nuts, maturing to purple black, enclosed within fleshy perianths.
      Cultivation :
      Suitable for waterlogged areas. Young leaves may become reddish due to phosphorus deficiency.
      Etymology :
      Genus epithet 'Persicaria' derived from medieval name alluding to leaves' resemblance to that of the Peach tree (Prunus persica).
      Ethnobotanical Uses :
      Edible Plant Parts (Edible Leaves; Edible Stems; Edible Fruits)
      Food (Fruit & Vegetable; Herb & Spice)
      Edible Plant Parts (Edible Leaves; Edible Stems; Edible Fruits), Medicinal, Cut / Dried Flower
      [Others]: Food: Ripe fruits edible, sour-tasting. Tender young leaves and shoots pickled. Medicinal: Plant juice used to treat eye diseases. Poultice applied to abdomen for stomachaches. Decotion of plant applied to ears to treat eczema. Also used to relieve inflammation and as vermifuge to kill intestinal worms. Deocorative: Flowers sometimes cut and sold as dried flowers.
  • Landscaping Features
    • Desirable Plant Features :
      Ornamental Foliage
      Plant & Rootzone Preference/Tolerance :
      Moist Soils, Waterlogged Soils (Drains Site), Well-Drained Soils, Fertile Loamy Soils
      Landscape Uses :
      General, Parks & Gardens, Container Planting
      Thematic Landscaping :
      Naturalistic Garden, Economic Garden
  • Plant Care & Propagation
    • Light Preference :
      Full Sun, Semi-Shade
      Water Preference :
      Lots of Water
      Plant Growth Rate :
      Moderate
      Propagation Method :
      Stem Cutting
  • Foliar
    • Foliage Retention :
      Evergreen
      Mature Foliage Colour(s) :
      Green, Purple
      Mature Foliage Texture(s) :
      Smooth, Glossy / Shiny, Raised / Sunken Veins
      Foliar Type :
      Simple / Unifoliate
      Foliar Arrangement Along Stem :
      Alternate
      Foliar Attachment to Stem :
      Petiolate
      Foliar Shape(s) :
      Non-Palm Foliage (Ovate; Lanceolate; Elliptical)
      Foliar Venation :
      Pinnate / Net
      Foliar Margin :
      Entire
      Foliar Apex / Tip :
      Acuminate
      Foliar Base :
      Truncate / Square
      Typical Foliar Area :
      Notophyll ( 20.25cm2 - 45 cm2 )
      Leaf Area Index (LAI) * for Green Plot Ratio :
      4.5 (Shrub & Groundcover - Dicot)
  • Non-Foliar & Storage
    • Stem Type & Modification :
      Herbaceous
      Root Type :
      Underground (Fibrous Root)
  • Floral (Angiosperm)
    • Flower & Plant Sexuality :
      Bisexual Flowers
      Flower Colour(s) :
      Pink, White
      Flower Grouping :
      Cluster / Inflorescence
      Flower Location :
      Axillary
      Flower Symmetry :
      Radial
      Flower Size :
      Remarks (3 - 5mm across)
      Inflorescence Type :
      Head / Capitulum
      Ovule Placentation :
      Basal
      Flowering Period :
      Free-Flowering
      Flowering Habit :
      Polycarpic
  • Fruit, Seed & Spore
    • Mature Fruit Colour(s) [Angiosperms & Gymnosperms] :
      Black
      Fruit Classification :
      Simple Fruit
      Fruit Type :
      Fleshy Fruit (Non-Accessory Fruit: Berry)
      Mature Seed Colour(s) :
      Black
      Seed Quantity per Fruit :
      Few (1-5)
The information given on this website has been compiled from reference works on medicinal plants and/or pron only. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Reliance on this information is strictly at your own risk. You should always consult your physician before using or consuming a plant for medicinal purposes.

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